Disable runtime app image while investigating b/268225365. am: 5917f09d5e am: a03fbebd7e am: 95d3674b86

Original change: https://android-review.googlesource.com/c/platform/art/+/2422712

Change-Id: Ia62d39a11a07a679f1d12cc3f2ec899af674aedf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>